Texas Instruments

LM4040D41IDBZRG4

LM4040D41IDBZRG4 Description

The LM4040D41IDBZRG4 is a precision shunt voltage reference IC designed by Texas Instruments, offering a fixed output voltage of 4.096V with a tolerance of ±1%. This device is part of the Power Management Integrated Circuits (PMIC) category and is housed in a compact SOT23-3 package, making it suitable for surface mount applications. Despite its small form factor, the LM4040D41IDBZRG4 delivers robust performance with a temperature coefficient of 150ppm/°C and low noise levels of 80µVrms across the 10Hz to 10kHz frequency range. It is capable of sourcing up to 15 mA and has a cathode current of 88 µA. The LM4040D41IDBZRG4 is REACH unaffected and RoHS3 compliant, ensuring it meets stringent environmental standards. It is also classified under ECCN EAR99 and HTSUS 8542.39.0001, with a moisture sensitivity level (MSL) of 1 (unlimited), making it suitable for a wide range of manufacturing processes.

LM4040D41IDBZRG4 Features

• Precision Voltage Reference: The LM4040D41IDBZRG4 provides a highly accurate and stable reference voltage of 4.096V, with a tight tolerance of ±1%, ensuring precise operation in various applications.
• Low Temperature Coefficient: With a temperature coefficient of 150ppm/°C, this device maintains its performance across a wide temperature range, making it ideal for applications where temperature variations are common.
• Low Noise Performance: The low noise level of 80µVrms from 10Hz to 10kHz ensures clean voltage reference, which is crucial for sensitive analog circuits and precision measurements.
• High Output Current Capability: The ability to source up to 15 mA allows the LM4040D41IDBZRG4 to drive multiple loads or larger capacitive loads efficiently.
• Compact Surface Mount Package: The SOT23-3 package is ideal for space-constrained designs, enabling integration into compact and high-density PCB layouts.
• Environmental Compliance: Being REACH unaffected and RoHS3 compliant, the LM4040D41IDBZRG4 adheres to strict environmental regulations, making it suitable for a wide range of industries.
• Moisture Sensitivity Level: With an MSL of 1 (unlimited), the device is highly resistant to moisture, ensuring reliability in various manufacturing and operational environments.

LM4040D41IDBZRG4 Applications

The LM4040D41IDBZRG4 is well-suited for a variety of applications that require a stable and precise voltage reference. Some specific use cases include:

• Analog-to-Digital Converters (ADCs): Provides a stable reference voltage for accurate analog signal conversion.
• Digital-to-Analog Converters (DACs): Ensures precise output voltage levels for reliable digital signal conversion.
• Precision Measurement Instruments: Used in devices such as voltmeters, ammeters, and other precision measurement tools to maintain accuracy.
• Power Supply Circuits: Acts as a reference for voltage regulators and power management circuits, ensuring stable output voltages.
• Medical Equipment: Ideal for medical devices that require high precision and reliability, such as diagnostic equipment and monitoring systems.
• Industrial Control Systems: Utilized in industrial automation and control systems where precise voltage references are critical for accurate control and monitoring.

Conclusion of LM4040D41IDBZRG4

The LM4040D41IDBZRG4 from Texas Instruments is a high-performance shunt voltage reference IC that offers a combination of precision, low noise, and environmental compliance. Its compact SOT23-3 package and ability to source up to 15 mA make it suitable for a wide range of applications, from precision measurement instruments to industrial control systems. Despite being marked as obsolete, the LM4040D41IDBZRG4 remains a reliable choice for applications requiring a stable and accurate voltage reference. Its low temperature coefficient and high output current capability set it apart from similar models, making it a preferred choice for demanding applications.